公开(公告)号：US12110441B2

公开(公告)日：2024-10-08

申请号：US16768121

申请日：2018-11-29

Applicant: SPHERE FLUIDICS LIMITED

Inventor： Xin Li ,  Clive A. Smith ,  Alexandra Clay ,  Colin Pilkington

IPC: C09K23/18 ,  B01D11/04 ,  B01D17/04 ,  B01D17/12 ,  B01L3/00 ,  C08G65/00 ,  C09K23/00 ,  C09K23/16

CPC classification number: C09K23/18 ,  B01D11/0492 ,  B01D11/0496 ,  B01D17/045 ,  B01D17/12 ,  B01L3/5021 ,  C08G65/007 ,  C09K23/007 ,  C09K23/16

Abstract: A surfactant of formula (I):

A-(L1)a-(C2)b-(L2)c-X  (I)

wherein
A is a perfluoropolyether;
L1 is CONR', wherein R′ is selected from H and C1-6 alkyl;
a is 0 or 1;
b is 0 or an integer between 1 and 10;
L2 is a linking group;
c is 0 or 1; and
X is a charged group.